When did momondo last update prices for flights from Houston to Islip Long Island Airport?

Prices for flights from Houston to Islip Long Island Airport refresh daily.

How many operators does momondo search for flights from Houston to Islip Long Island Airport?

There is 1 operator available for flights from Houston to Islip Long Island Airport as of January 2026.

How old do you have to be to fly from Houston to Islip Long Island Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$62 Cheap Flights from Houston to Islip in 2026

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Find the cheapest flights from Houston to New York

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:16 pm - 6:48 pm

IAH

ISP

29h 32m

1 stop

2:31 pm - 9:43 pm

ISP

IAH

8h 12m

1 stop

$185Multiple Airlines

Wed, Feb 4 - Mon, Feb 9

4:35 pm - 6:48 pm

IAH

ISP

25h 13m

2 stops

2:31 pm - 9:43 pm

ISP

IAH

8h 12m

1 stop

$189Multiple Airlines

Wed, Feb 4 - Mon, Feb 9

8:18 pm - 8:40 am

IAH

ISP

11h 22m

1 stop

3:34 pm - 6:28 pm

ISP

IAH

27h 54m

1 stop

$191Frontier

Tue, Feb 24 - Thu, Feb 26

6:05 am - 6:38 pm

IAH

ISP

35h 33m

2 stops

2:31 pm - 9:43 pm

ISP

IAH

8h 12m

1 stop

$201Multiple Airlines

Thu, Feb 5 - Mon, Feb 9

1:42 pm - 12:47 pm

IAH

ISP

22h 05m

1 stop

10:43 am - 8:08 pm

ISP

IAH

10h 25m

1 stop

$221Frontier

Thu, Mar 19 - Mon, Mar 23

11:08 am - 6:38 pm

IAH

ISP

6h 30m

1 stop

9:25 am - 9:00 am

ISP

IAH

24h 35m

1 stop

$251Frontier

Fri, Jan 30 - Sun, Feb 1

6:00 am - 11:55 am

HOU

ISP

4h 55m

1 stop

4:05 pm - 9:20 pm

ISP

HOU

6h 15m

1 stop

$267Southwest

Tue, Feb 10 - Tue, Feb 17

6:30 am - 4:15 pm

HOU

ISP

8h 45m

2 stops

11:50 am - 7:10 pm

ISP

HOU

8h 20m

1 stop

$272Southwest

Tue, Feb 10 - Tue, Feb 17

6:40 am - 4:15 pm

HOU

ISP

8h 35m

2 stops

11:50 am - 8:20 pm

ISP

HOU

9h 30m

2 stops

$278Southwest

Tue, Feb 10 - Tue, Feb 17

6:00 am - 11:55 am

HOU

ISP

4h 55m

1 stop

12:35 pm - 8:20 pm

ISP

HOU

8h 45m

1 stop

$287Southwest

Wed, Feb 4 - Mon, Feb 9

Frontier flights from Houston to Islip, New York

Our best Frontier deals on Houston to Islip, New York flight tickets

Frontier

Jan 30

IAH11:08 amHouston George Bush Intcntl

6h 30m

1 stop

ISP6:38 pmIslip Long Island

Feb 1

ISP9:25 amIslip Long Island

24h 35m

1 stop

IAH9:00 amHouston George Bush Intcntl

$251

Frontier

Jan 17

IAH8:16 pmHouston George Bush Intcntl

11h 39m

1 stop

ISP8:55 amIslip Long Island

Feb 26

ISP3:34 pmIslip Long Island

27h 54m

1 stop

IAH6:28 pmHouston George Bush Intcntl

$263

Frontier

Mar 6

IAH9:03 pmHouston George Bush Intcntl

11h 45m

1 stop

ISP9:48 amIslip Long Island

Mar 9

ISP1:22 pmIslip Long Island

20h 18m

1 stop

IAH8:40 amHouston George Bush Intcntl

$280

Southwest flights from Houston to Islip, New York

Our best Southwest deals on Houston to Islip, New York flight tickets

Southwest

Feb 10

HOU6:00 amHouston Hobby

4h 55m

1 stop

ISP11:55 amIslip Long Island

Feb 17

ISP4:05 pmIslip Long Island

6h 15m

1 stop

HOU9:20 pmHouston Hobby

$267

Southwest

Feb 10

HOU6:30 amHouston Hobby

8h 45m

2 stops

ISP4:15 pmIslip Long Island

Feb 17

ISP11:50 amIslip Long Island

8h 20m

1 stop

HOU7:10 pmHouston Hobby

$272

Southwest

Feb 10

HOU6:40 amHouston Hobby

8h 35m

2 stops

ISP4:15 pmIslip Long Island

Feb 17

ISP11:50 amIslip Long Island

9h 30m

2 stops

HOU8:20 pmHouston Hobby

$278

Fly from

Fly to

Route

Depart

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Price

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 2/4

12:16 pm-6:48 pm

1 stop29h 32m

Islip Long Island

Mon 2/9

2:31 pm-9:43 pm

1 stop8h 12m

$185

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 2/4

4:35 pm-6:48 pm

2 stops25h 13m

Islip Long Island

Mon 2/9

2:31 pm-9:43 pm

1 stop8h 12m

$189

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Tue 2/24

8:18 pm-8:40 am

1 stop11h 22m

Islip Long Island

Thu 2/26

3:34 pm-6:28 pm

1 stop27h 54m

$191

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 2/5

6:05 am-6:38 pm

2 stops35h 33m

Islip Long Island

Mon 2/9

2:31 pm-9:43 pm

1 stop8h 12m

$201

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 3/19

1:42 pm-12:47 pm

1 stop22h 05m

Islip Long Island

Mon 3/23

10:43 am-8:08 pm

1 stop10h 25m

$221

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 1/30

11:08 am-6:38 pm

1 stop6h 30m

Islip Long Island

Sun 2/1

9:25 am-9:00 am

1 stop24h 35m

$251

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Tue 2/10

6:00 am-11:55 am

1 stop4h 55m

Islip Long Island

Tue 2/17

4:05 pm-9:20 pm

1 stop6h 15m

$267

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Tue 2/10

6:30 am-4:15 pm

2 stops8h 45m

Islip Long Island

Tue 2/17

11:50 am-7:10 pm

1 stop8h 20m

$272

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Tue 2/10

6:40 am-4:15 pm

2 stops8h 35m

Islip Long Island

Tue 2/17

11:50 am-8:20 pm

2 stops9h 30m

$278

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Wed 2/4

6:00 am-11:55 am

1 stop4h 55m

Islip Long Island

Mon 2/9

12:35 pm-8:20 pm

1 stop8h 45m

$287

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Houston to Islip Long Island?

Frontier is the most popular carrier operating from Houston to Islip Long Island

What airlines fly to Islip, New York?

Spirit Airlines, United Airlines and Delta are the top three most popular airlines that fly to Islip, New York from Houston according to our data. Spirit Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 7 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

Cheap Houston to Islip, New York flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Islip, New York

Fastest flight time	4h 55m
Direct flights	None

The fastest flight from Houston to Islip, New York takes 4h 55m

There are no direct flights from Houston to Islip, New York. There are no popular flight routes from Houston to Islip, New York.

Search flight deals

How far is Houston to Islip Long Island by plane?
Islip Long Island is 1454.8 mi away from Houston. In terms of flight time, this usually takes a little over 4h 55m.
When did momondo last update prices for flights from Houston to Islip Long Island Airport?
Prices for flights from Houston to Islip Long Island Airport refresh daily.
How many operators does momondo search for flights from Houston to Islip Long Island Airport?
There is 1 operator available for flights from Houston to Islip Long Island Airport as of January 2026.
How old do you have to be to fly from Houston to Islip Long Island Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Islip, New York

Compare and see reviews for airlines that fly from Houston to Islip, New York with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $278	Free Cancellation	Rating 8.0 4,258 reviews		Search Southwest flights

Montauk

Riverhead

Sag Harbor

Southampton

Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Islip?

Finding the right flight to Islip from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

Can I find flights from Houston to Islip with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Islip from Houston with this policy.

How can momondo help me find flights from Houston to Islip?

momondo helps you find the best flight between Houston and Islip by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Houston to Islip right now. Can momondo alert me if prices change?

Price alerts on flights to Islip from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.